September weather in Graysville, TN
The average temperature in Graysville in September is 70.8°F (59.6°F–82.1°F). Average precipitation: 4.82 inches.
September is a fall month in Graysville, and is warmer than the annual average of 58.4°F. Daily temperatures swing about 22.5°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 12h 13m. For travel, September is a comfortable month to visit.
Avg High
82.1°F
Avg Low
59.6°F
Precipitation
4.82 in
Daylight
12h 13m
September records in Graysville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 100.0°F (1957) | 54.0°F (1984) | 2.40 in (2021) |
| September 2 | 96.1°F (1957) | 50.0°F (1987) | 1.13 in (1959) |
| September 3 | 99.0°F (2011) | 48.9°F (2017) | 1.67 in (2003) |
| September 4 | 97.0°F (2011) | 51.1°F (2017) | 1.60 in (1986) |
| September 5 | 96.1°F (1975) | 51.1°F (1967) | 1.28 in (1969) |
| September 6 | 97.0°F (1980) | 50.0°F (1984) | 5.83 in (2011) |
| September 7 | 96.1°F (1980) | 48.9°F (1984) | 3.75 in (1977) |
| September 8 | 97.0°F (1999) | 46.9°F (2017) | 1.41 in (2004) |
| September 9 | 96.1°F (1999) | 48.9°F (1958) | 1.08 in (1996) |
| September 10 | 93.9°F (2016) | 48.9°F (1958) | 1.39 in (2015) |
| September 11 | 96.1°F (2002) | 42.1°F (1976) | 2.08 in (1960) |
| September 12 | 93.0°F (1962) | 44.1°F (1976) | 2.01 in (1965) |
| September 13 | 95.0°F (2019) | 46.0°F (1968) | 1.54 in (1966) |
| September 14 | 98.1°F (2019) | 45.0°F (1975) | 1.66 in (1957) |
| September 15 | 93.9°F (1956) | 43.0°F (1964) | 1.88 in (1977) |
| September 16 | 95.0°F (1980) | 46.9°F (1985) | 5.40 in (1977) |
| September 17 | 95.0°F (1991) | 46.9°F (1984) | 7.57 in (2004) |
| September 18 | 95.0°F (2019) | 43.0°F (1981) | 5.67 in (2012) |
| September 19 | 96.1°F (2019) | 42.1°F (1973) | 2.02 in (1969) |
| September 20 | 91.9°F (1978) | 42.1°F (1981) | 1.17 in (2001) |
| September 21 | 91.9°F (2024) | 45.0°F (1981) | 1.67 in (1979) |
| September 22 | 96.1°F (1980) | 36.0°F (1983) | 1.67 in (2003) |
| September 23 | 91.9°F (1980) | 37.9°F (1983) | 3.57 in (1975) |
| September 24 | 91.9°F (2010) | 37.0°F (1963) | 2.76 in (1991) |
| September 25 | 93.0°F (2010) | 37.0°F (1963) | 4.39 in (2018) |
| September 26 | 91.9°F (2019) | 36.0°F (2012) | 3.50 in (2018) |
| September 27 | 90.0°F (1986) | 42.1°F (2000) | 2.82 in (1979) |
| September 28 | 91.9°F (2019) | 39.9°F (1985) | 3.00 in (1996) |
| September 29 | 90.0°F (2019) | 37.9°F (1962) | 1.77 in (1989) |
| September 30 | 93.9°F (2019) | 30.0°F (1967) | 2.05 in (1989) |